Home / 7,899.97-10,904.07-4,543.15

Finding the Fourth Proportional to 7,899.97, 10,904.07 and 4,543.15

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Solution

The fourth proportional to 7,899.97, 10,904.07 and 4,543.15 is: 6,270.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.97 : 10,904.07 = 4,543.15 : x
  2. Step 2: Convert to fraction form
    7,899.97/10,904.07 = 4,543.15/x
  3. Step 3: Cross multiply
    7,899.97x = 10,904.07 × 4,543.15
  4. Step 4: Simplify right side
    7,899.97x = 49,538,825.62
  5. Step 5: Solve for x
    x = 49,538,825.62/7,899.97
  6. Step 6: Final answer
    x = 6,270.76

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.